index.php
Home Page This page contains opacity. You will get background black color opacity.
If you need so save file please use
$imgname = "result.png";
imagepng($im, $imgname);
Instead of
header('Content-type: image/png');
imagepng($im);
index2.php
Show two images ony by one like watermark.
Define two images
$image1 = 'img-path/image1.jpg';
$image2 = 'img-path/image2.jpg';
Get width and height of first image.
list($width, $height) = getimagesize($image1);
imagecreatefromjpeg() returns an image identifier representing the image obtained from the given filename.
$dest = imagecreatefromjpeg($image1);
$src = imagecreatefromjpeg($image2);
Merging two images of the image1.jpg and image2.jpg images with 75% transparency
imagecopymerge($dest, $src, 0, 0, 0, 0, $width, $height, 75);
We'll be outputting a gif format
header('Content-Type: image/gif');
imagegif($dest);
Destroy image. imagedestroy() frees any memory associated with image $dest and $src.
imagedestroy($dest);
imagedestroy($src);